Windows 10 KB5078885 ESU out with Secure Boot 2023, replacing expiring Secure Boot certificates from 2011. But it's a staged roll out.

Microsoft confirms systems without updated Secure Boot certificates will boot normally but lose some security protections.

In June 2025, Microsoft announced that, in June 2026, it would begin deprecating Secure Boot certificates of Windows systems from 2011, which were superseded by their 2023 counterparts.

TL;DR: Secure Boot certificates in Windows 10 and 11 will expire by June 2026, risking system security and compatibility. Microsoft is issuing new certificates through updates and OEM firmware ...

Microsoft released KB5028311 Dynamic Update packages for feature updates in Windows 10 versions 20H2, 21H2, and 22H2. These dynamic updates are meant to improve the Windows 10 setup process and more.

Earlier this week, Microsoft released a patch to fix a Secure Boot bypass bug used by the BlackLotus bootkit we reported on in March. The original vulnerability, CVE-2022-21894, was patched in January ...

Do you see Event ID 1796 in your Windows 11/10/Server logs? If the Secure update process cannot complete and fails with an error message— The Secure Boot update ...

Following Battlefield 6, Call of Duty is also making Windows security features, TPM 2.0 and Secure Boot, mandatory on PCs. At the start of the month, Electronic Arts (EA) and Battlefield Studios ...

Windows 11 requires a TPM 2.0 security processor to install or upgrade to Windows 11. Unfortunately, mistakes in support documents have causes conflicting information ...